Add Twitter tweet and thread archiving support

docs/README.md

@@ -20,7 +20,7 @@ An open-source self-hosted archiving tool. Work in progress.
         - [ ] Dropbox
         - [ ] OneDrive
         - (Some of these could be postponed for later.)
-    - [ ] Archiving Twitter threads
+    - [X] Archiving Twitter threads
     - [ ] Archive web pages (HTML, CSS, JS, images)
     - [ ] Archiving emails (???)
         - [ ] Gmail
@@ -45,5 +45,12 @@ There are two driving factors behind this project:
 
 This project aims to provide a reliable solution for archiving important data from various sources, ensuring that users can preserve their digital assets for the long term.
 
+## Twitter/X Archive Inputs
+- Tweet content TOML: `tweet:ID`, `x:tweet:ID`, `x:x:ID`, `twitter:x:ID`, `twitter:tweet:ID`
+- Tweet media/video: `tweet:media:ID`
+- Thread TOML content: `x:thread:ID`, `twitter:thread:ID`
+
+Twitter tweet/thread scraping requires `ARCHIVR_TWITTER_CREDENTIALS_FILE` to point to a cookies file for the vendored scraper.
+
 ## License
 This project is licensed under the MIT License. See the [LICENSE](LICENSE.md) file for details.